Kim Jong Un's body guards run alongside car carrying official

The two sworn enemies exchanged a warm greeting at the 38th parallel in the truce village of Panmunjom before Moon led Kim by the hand to cross into the South for the first time ever. It comes following a year in which North Korea, the South and the US traded increasingly bellicose rhetoric about nuclear war amid a series of atomic tests by Kim's regime, but then dramatically softened their stances in the last few months.